States are setting new rules for cash purchases after the U.S. Mint stopped making pennies and the 1-cent coins get scarcer.

As pennies begin to disappear, states are grappling with a "rounding" problem for cash purchases that would have included them in the past.

When you stumble upon something truly symmetrical in the wild, it can be a jarring experience that makes you feel like you’ve spotted a glitch in the Matrix. From the fractal patterns of a romanesco ...

Electron movement and structures described in quantum physics allow researchers to better understand how and why materials like superconductors behave as they do. Rice University researchers Jianwei ...

Sure, here is the new description without any links: Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by ...

State lawmakers are preparing retailers and customers for what to do when there are no more 1-cent coins.